JOHANNESBURG The twin scourges of another prolonged dry spell and an invasive crop-eating worm are set to sharply curtail harvests across southern Africa, driving millions of people � most of them children � into severe …

JOHANNESBURG The twin scourges of another prolonged dry spell and an invasive crop-eating worm are set to sharply curtail harvests across southern Africa, driving millions of people � most of them children � into severe …

JOHANNESBURG The twin scourges of another prolonged dry spell and an invasive crop-eating worm are set to sharply curtail harvests across southern Africa, driving millions of people � most of them children � into severe …